a task to unpack the rabbitmq server

tasks/install_dependencies.rake

@@ -0,0 +1,24 @@
+require 'fileutils'
+
+here   = File.dirname(__FILE__)
+vendor = File.expand_path(here + '/../vendor/')
+run    = File.expand_path(here + '/../run/')
+
+desc 'install dependencies'
+task :install_dependencies => [ :install_rabbit_mq ] do
+  puts "Done."
+end
+
+desc 'install the RabbitMQ message server'
+task :install_rabbit_mq do
+  target = File.expand_path(run+'/rabbitmq') 
+  if File.directory?(target)
+    puts "RabbitMQ already installed in [#{target}]"
+  else
+    puts "installing RabbitMQ in [#{target}]..."
+
+    tarball = vendor + '/rabbitmq-server*.tar.gz'
+    `cd #{run}; tar xfvz #{tarball}`
+    `cd #{run}; mv rabbitmq* rabbitmq`
+  end
+end